Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chaqpter 16 - Temperature and Heat - Problems and Conceptual Exercises - Page 567: 39

Answer

(a) $0.18\frac{KJ}{K}$ (b) $0.96\frac{KJ}{Kg.K}$

Work Step by Step

(a) The heat capacity of the object is $C=\frac{Q}{\Delta T}$ We plug in the known values to obtain: $C=\frac{2200}{12}$ $C=0.18\frac{KJ}{K}$ (b) The object's specific heat can be determined as $c=\frac{C}{m}$ We plug in the known values to obtain: $c=\frac{0.183}{0.190}$ $c=0.96\frac{KJ}{Kg.K}$
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